One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(7,8)(9,11)(10,13)(12,14)(15,16,20,24)(17,22,18,21)(19,23,27,30)(25,29,26,28)(4,6)(7,9,10,14)(8,11,13,12)(15,17,20,18)(16,21,24,22)(19,26,27,25)(23,29,30,28)(3,4)(5,6)(7,9)(8,12)(10,14)(11,13)(15,16)(17,21)(18,22)(19,23)(20,24)(25,28)(26,29)(27,30) involution — undirected(15,18,20,17)(16,22,24,21)(19,26,27,25)(23,29,30,28)(3,4)(5,6)(7,8)(9,12)(10,13)(11,14)(15,19)(16,23)(17,25)(18,26)(20,27)(21,28)(22,29)(24,30) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.